The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Burt Donald M

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Let L-13. FAA spelling: Burt Donald M.

Approved modifications 1 · newest first

1988-04-08SG4309NM · Recover the flaps using large flange Pop Rivets (AD42ASLF) instead of wire lacing to secure the fabric to the... · L-13 "Blanik"

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.